December weather forecast
Oracle Junction, AZ

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Weather in December

December, the first month of the winter in Oracle Junction, is still a mild month, with an average temperature ranging between min 42.3°F (5.7°C) and max 59.2°F (15.1°C).

Temperature

December, having an average high-temperature of 59.2°F (15.1°C) and an average low-temperature of 42.3°F (5.7°C), is the coldest month.

Humidity

With an average relative humidity of 48%, December is the most humid month in Oracle Junction.

Rainfall

In Oracle Junction, in December, during 6.2 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. In Oracle Junction, during the entire year, the rain falls for 76.5 days and collects up to 13.31" (338mm) of precipitation.

Snowfall

January, February and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow. In Oracle Junction, during the entire year, snow falls for 1.1 days and aggregates up to 1.77" (45mm) of snow.

Daylight

The month with the shortest days is December, with an average of 10h and 6min of daylight.
On the first day of December, sunrise is at 7:08 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:28 pm MST.

Sunshine

With an average of 6.6h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index are November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: In December, a daily UV index of 3 turns into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. To avoid the Sun's strongest rays, limit exposure around the mid-day period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

Oracle Junction's December weather, with an average high temperature of 59.2°F (15.1°C) and an average low temperature of 42.3°F (5.7°C), tends to be the coldest of the year.

What is the average December temperature in Oracle Junction?

An average high-temperature, in December, in Oracle Junction, is 59.2°F (15.1°C) and the average low-temperature is 42.3°F (5.7°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is computed to be 87.8°F (31°C).

What is the most humid month?

The most humid month is December, with an average relative humidity of 48%.

What is the average humidity in December?

The average relative humidity in December is 48%.

How much does it rain in December?

In December, the rain falls for 6.2 days. Throughout December, 1.26" (32mm) of precipitation is accumulated.

When does it start to snow?

December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 10h and 6min of daylight.

How many hours of daylight does Oracle Junction have in December?

In Oracle Junction, the average day length in December is 10h and 3min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:08 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:28 pm MST.

What is the month with the least sunshine in Oracle Junction?

December has the least sunshine of the year, with an average of 6.6h of sunshine.

How many hours of sunshine does Oracle Junction have in December?

In Oracle Junction, the average sunshine duration in December is 6.6h.

What is the month with the lowest UV index?

November and December, with an average maximum UV index of 3, are months with the lowest UV index.

How high is the UV index in December?

In Oracle Junction, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Oracle Junction, AZ

Average temperature in December - Oracle Junction, AZ
  • Average high temperature in December: 59.2°F

The warmest month (with the highest average high temperature) is June (95.5°F).
The month with the lowest average high temperature is December (59.2°F).

  • Average low temperature in December: 42.3°F

The months with the highest average low temperature are July and August (75.4°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).

Average pressure in December
Oracle Junction, AZ

Average pressure in December - Oracle Junction, AZ
  • Average pressure in December: 30.05"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in December
Oracle Junction, AZ

Average wind speed in December - Oracle Junction, AZ
  • Average wind speed in December: 6mph

The windiest month (with the highest average wind speed) is May (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in December
Oracle Junction, AZ

Average humidity in December - Oracle Junction, AZ
  • Average humidity in December: 48%

The month with the highest relative humidity is December (48%).
The month with the lowest relative humidity is June (20%).

Average rainfall in December
Oracle Junction, AZ

Average rainfall in December - Oracle Junction, AZ
  • Average rainfall in December: 1.26"

The wettest month (with the highest rainfall) is July (2.68").
The driest month (with the least rainfall) is June (0.24").

Average rainfall days in December
Oracle Junction, AZ

Average rainfall days in December - Oracle Junction, AZ
  • Average rainfall days in December: 6.2 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is May (2 days).

Average snowfall in December
Oracle Junction, AZ

Average snowfall in December - Oracle Junction, AZ
  • Average snowfall in December: 0.08"

The month with the highest snowfall is January (0.91").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Oracle Junction, AZ

Average snowfall days in December - Oracle Junction, AZ
  • Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in December /
Average sunshine in December
Oracle Junction, AZ

Average daylight in December / Average sunshine in December - Oracle Junction, AZ
  • Average daylight in December: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in December: 6h and 4min

The months with the most sunshine are June and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

Average sunshine days in December
Oracle Junction, AZ

Average sunshine days in December - Oracle Junction, AZ
  • Average sunshine days in December: 24 days

The month with the most sunshine days is May (28.6 days).
The month with the least sunshine days is July (11.6 days).

Average UV index in December
Oracle Junction, AZ

Average UV index in December - Oracle Junction, AZ
  • Average UV index in December: 3

The month with the highest UV index is June (UV index 8).
The months with the lowest UV index are November and December (UV index 3).

Average cloud cover in December
Oracle Junction, AZ

Average cloud cover in December - Oracle Junction, AZ
  • Average cloud cover in December: 23

The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 8).

Average visibility in December
Oracle Junction, AZ

Average visibility in December - Oracle Junction, AZ
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Oracle Junction, Arizona, USA

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